UTF-8 BOM vs meta charset

A page with a UTF-8 BOM will be recognized as UTF-8 even if the meta charset attribute declares a different encoding.

The page contains an encoding declaration in a meta charset attribute that attempts to set the character encoding to ISO 8859-15, but the file starts with a UTF-8 signature.

The test contains a div with a class name that contains the following sequence of bytes: 0xC3 0xBD 0xC3 0xA4 0xC3 0xA8. These represent different sequences of characters in ISO 8859-15, ISO 8859-1 and UTF-8. The external, UTF-8-encoded stylesheet contains a selector `.test div.ýäè`. This matches the sequence of bytes above when they are interpreted as UTF-8. If the class name matches the selector then the test will pass.

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the-input-byte-stream-038
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Assumptions:

- The default encoding for the browser you are testing is not set to ISO 8859-15.
- The test is read from a server that supports HTTP.